diff --git a/reactos/tools/rsym.c b/reactos/tools/rsym.c
index caf229e8941..cbe09b7bb15 100644
--- a/reactos/tools/rsym.c
+++ b/reactos/tools/rsym.c
@@ -610,7 +610,7 @@ CreateOutputFile(FILE *OutFile, void *InData,
             {
               RosSymOffset = CurrentSectionHeader->PointerToRawData + CurrentSectionHeader->SizeOfRawData;
             }
-          if (Section == InRelocSectionIndex)
+          if (Section == (ULONG)InRelocSectionIndex)
             {
               OutRelocSection = CurrentSectionHeader;
             }